./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-patterns/array21_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-patterns/array21_pattern.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:43:44,039 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:43:44,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:43:44,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:43:44,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:43:44,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:43:44,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:43:44,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:43:44,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:43:44,121 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:43:44,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:43:44,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:43:44,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:43:44,127 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:43:44,129 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:43:44,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:43:44,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:43:44,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:43:44,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:43:44,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:43:44,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:43:44,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:43:44,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:43:44,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:43:44,167 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:43:44,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:43:44,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:43:44,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:43:44,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:43:44,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:43:44,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:43:44,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:43:44,177 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:43:44,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:43:44,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:43:44,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:43:44,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:43:44,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:43:44,182 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:43:44,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:43:44,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:43:44,185 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:43:44,231 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:43:44,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:43:44,233 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:43:44,233 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:43:44,234 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:43:44,234 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:43:44,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:43:44,235 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:43:44,235 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:43:44,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:43:44,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:43:44,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:43:44,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:43:44,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:43:44,244 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:43:44,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:43:44,244 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:43:44,245 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:43:44,245 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:43:44,245 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:43:44,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:43:44,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:43:44,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:43:44,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:43:44,246 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:43:44,247 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:43:44,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:43:44,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:43:44,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a738dced8b73ebc8edf3e480fddcd32bb19127a8255980e93fab5e96705ab3 [2021-11-25 06:43:44,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:43:44,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:43:44,531 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:43:44,533 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:43:44,534 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:43:44,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-25 06:43:44,630 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/data/aae8bab15/42023c7a965f4c95a0111876016eaa9f/FLAG068c1bbe8 [2021-11-25 06:43:45,190 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:43:45,195 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/sv-benchmarks/c/array-patterns/array21_pattern.c [2021-11-25 06:43:45,207 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/data/aae8bab15/42023c7a965f4c95a0111876016eaa9f/FLAG068c1bbe8 [2021-11-25 06:43:45,560 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/data/aae8bab15/42023c7a965f4c95a0111876016eaa9f [2021-11-25 06:43:45,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:43:45,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:43:45,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:43:45,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:43:45,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:43:45,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0b5757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45, skipping insertion in model container [2021-11-25 06:43:45,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,606 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:43:45,628 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:43:45,796 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-25 06:43:45,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:43:45,844 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:43:45,855 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/sv-benchmarks/c/array-patterns/array21_pattern.c[1340,1353] [2021-11-25 06:43:45,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:43:45,885 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:43:45,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45 WrapperNode [2021-11-25 06:43:45,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:43:45,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:43:45,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:43:45,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:43:45,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,902 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,928 INFO L137 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 105 [2021-11-25 06:43:45,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:43:45,930 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:43:45,930 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:43:45,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:43:45,936 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:43:45,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:43:45,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:43:45,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:43:45,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:43:45" (1/1) ... [2021-11-25 06:43:45,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:43:45,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:43:46,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:43:46,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5fe0ae33-474b-498f-b13e-69c6b5b80d47/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:43:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure outerBoundaryPatternCheck [2021-11-25 06:43:46,062 INFO L138 BoogieDeclarations]: Found implementation of procedure outerBoundaryPatternCheck [2021-11-25 06:43:46,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:43:46,064 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 06:43:46,065 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 06:43:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:43:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:43:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:43:46,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:43:46,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:43:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:43:46,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:43:46,164 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:43:46,171 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:43:46,357 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:43:46,416 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:43:46,416 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-25 06:43:46,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:46 BoogieIcfgContainer [2021-11-25 06:43:46,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:43:46,420 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:43:46,420 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:43:46,431 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:43:46,431 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:43:46" (1/1) ... [2021-11-25 06:43:46,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 06:43:46,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:46,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 27 states and 37 transitions. [2021-11-25 06:43:46,531 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 37 transitions. [2021-11-25 06:43:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 06:43:46,536 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:46,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:46,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 06:43:46,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 06:43:46,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2021-11-25 06:43:46,821 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2021-11-25 06:43:46,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-25 06:43:46,822 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:46,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:46,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-25 06:43:46,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:47,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:47,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:47,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2021-11-25 06:43:47,163 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2021-11-25 06:43:47,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-25 06:43:47,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:47,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:47,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:43:47,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:47,374 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:43:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:47,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 30 states and 42 transitions. [2021-11-25 06:43:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 42 transitions. [2021-11-25 06:43:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-25 06:43:47,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:47,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:47,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:43:47,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:47,711 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:43:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 38 states and 53 transitions. [2021-11-25 06:43:47,949 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2021-11-25 06:43:47,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-25 06:43:47,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:47,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:48,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-25 06:43:48,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:48,089 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-25 06:43:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:48,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 39 states and 56 transitions. [2021-11-25 06:43:48,138 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2021-11-25 06:43:48,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-25 06:43:48,140 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:48,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:48,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-25 06:43:48,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:43:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:48,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 41 states and 60 transitions. [2021-11-25 06:43:48,544 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2021-11-25 06:43:48,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 06:43:48,545 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:48,545 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:48,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:43:48,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-25 06:43:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:49,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 45 states and 66 transitions. [2021-11-25 06:43:49,412 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2021-11-25 06:43:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 06:43:49,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:49,413 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:49,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:49,455 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:43:49,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:49,598 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-11-25 06:43:50,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 58 states and 86 transitions. [2021-11-25 06:43:50,164 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 86 transitions. [2021-11-25 06:43:50,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 06:43:50,166 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:50,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:50,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-25 06:43:50,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:50,315 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 06:43:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:50,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 40 states and 58 transitions. [2021-11-25 06:43:50,363 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2021-11-25 06:43:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-25 06:43:50,372 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:50,372 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:50,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-25 06:43:50,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-25 06:43:50,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:43:50,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 44 states and 64 transitions. [2021-11-25 06:43:50,888 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2021-11-25 06:43:50,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:43:50,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:43:50,889 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:43:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:43:51,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 74 conjunts are in the unsatisfiable core [2021-11-25 06:43:51,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:43:51,330 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2021-11-25 06:43:51,341 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 06:43:51,352 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2021-11-25 06:43:51,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2021-11-25 06:43:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,509 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:43:51,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 85 [2021-11-25 06:43:51,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 17 [2021-11-25 06:43:51,931 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 90 [2021-11-25 06:43:51,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,950 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 132 [2021-11-25 06:43:51,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:51,988 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 25 [2021-11-25 06:43:52,161 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 68 [2021-11-25 06:43:52,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,182 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 103 [2021-11-25 06:43:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:52,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 30 [2021-11-25 06:43:53,866 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2021-11-25 06:43:53,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:53,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:53,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:53,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:53,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:53,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:53,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:53,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:54,057 INFO L354 Elim1Store]: treesize reduction 175, result has 45.8 percent of original size [2021-11-25 06:43:54,057 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 240 [2021-11-25 06:43:54,856 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:54,930 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:55,086 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:43:55,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,411 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:43:55,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:43:55,437 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:43:55,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 3 case distinctions, treesize of input 452 treesize of output 399 [2021-11-25 06:44:00,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:44:00,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,091 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:44:00,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-11-25 06:44:00,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:00,125 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:44:00,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 14 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 320 treesize of output 151 [2021-11-25 06:44:00,526 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-25 06:44:12,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-25 06:44:12,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 76 states and 152 transitions. [2021-11-25 06:44:12,629 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 152 transitions. [2021-11-25 06:44:12,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 06:44:12,631 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-25 06:44:12,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 06:44:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 06:44:12,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 57 conjunts are in the unsatisfiable core [2021-11-25 06:44:12,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 06:44:13,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 57 [2021-11-25 06:44:13,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2021-11-25 06:44:13,292 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2021-11-25 06:44:13,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 64 [2021-11-25 06:44:13,499 INFO L354 Elim1Store]: treesize reduction 116, result has 18.9 percent of original size [2021-11-25 06:44:13,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 83 [2021-11-25 06:44:13,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:13,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 7 [2021-11-25 06:44:14,079 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 69 [2021-11-25 06:44:14,126 INFO L354 Elim1Store]: treesize reduction 182, result has 12.1 percent of original size [2021-11-25 06:44:14,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 90 [2021-11-25 06:44:14,156 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-11-25 06:44:14,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 23 [2021-11-25 06:44:14,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 68 [2021-11-25 06:44:14,450 INFO L354 Elim1Store]: treesize reduction 256, result has 15.5 percent of original size [2021-11-25 06:44:14,451 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 67 treesize of output 103 [2021-11-25 06:44:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:44:14,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 30 [2021-11-25 06:50:29,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 90 [2021-11-25 06:50:29,759 INFO L354 Elim1Store]: treesize reduction 342, result has 38.7 percent of original size [2021-11-25 06:50:29,759 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 89 treesize of output 285 [2021-11-25 06:50:32,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 60 [2021-11-25 06:50:32,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 06:50:32,415 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 06:50:32,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 156 [2021-11-25 06:51:51,863 INFO L354 Elim1Store]: treesize reduction 180, result has 37.1 percent of original size [2021-11-25 06:51:51,863 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 199 treesize of output 216 [2021-11-25 06:51:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.